(V). Let P(x,y) be statement 20 + 2y = y + 8, where the domains of u and y are integers. For the following statements, (a) Determine the truth value and (b) briefly justify your answer. (1) P(2, -1). The truth value of the statement is: This is because: (2) ByP(8,y) The truth value of the statement is: This is because: (3) VyaxP(x, y) The truth value of the statement is: This is because: (4) V y P(x,y))) The truth value of the statement is: This is because